Donna Brazile accuses Clinton of 'cheating' in 2016 primaries In a book excerpt published by Politico, Donna Brazile, the Democratic National Committee's interim chairwoman during key months of the presidential campaign, says Hillary Clinton's team essentially took over day-to-day operations of the DNC, in essence rigging the system against Senator Bernie Sanders, who was challenging Clinton for the party's nomination. FILE images of Donna Brazile